 If that happens, it could deactivate the sensor that determines if a passenger is on board. I'm Shelley Adler. Cancer centers are reporting drug shortages. Eighty-nine percent reported that at least one drug used to treat cancer symptoms or treatment side effects was in short supply. The problem reportedly is being fueled by a combination of supply chain problems and overseas companies cutting back on drugs they see as being unprofitable. News and analysis at townhall.com.